The oft-prescribed drug Ambien has been implicated in numerous cases of sleep-driving, sleep gorging, and sleep-stealing, none of it remembered once it has worn off. John McCain, takes Ambien when he has trouble sleeping. Then what?

A "benign" seasickness drug, with a checkered history, has been implicated in cruise ship and date rapes, as well as robbery, and because it interferes with memory, victims are at a loss to identify their assailants.